For the average consumer the Corsair DDR3-1866 Dominator GTs would be overkill; for the price of this one kit you could purchase 12GB of decent DDR3-1600C7. But those 12GB of DDR3-1600C7 may only overclock to the stock speeds of this Dominator GT kit. This is what you are more or less paying for - the binning process Corsair has undertaken to insure these kits are stable at 1866MHz..."